CN211346646U - Digital display measuring device for ball measuring head - Google Patents
Digital display measuring device for ball measuring head Download PDFInfo
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- CN211346646U CN211346646U CN202020038423.3U CN202020038423U CN211346646U CN 211346646 U CN211346646 U CN 211346646U CN 202020038423 U CN202020038423 U CN 202020038423U CN 211346646 U CN211346646 U CN 211346646U
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Abstract
The utility model discloses a ball gauge head digital display measuring device, include: the measuring ruler comprises a ruler body, a first measuring component, a second measuring component, a digital display component and a ball measuring head; the first measuring component and the second measuring component are arranged on the ruler body; the second measuring assembly is provided with a threaded hole, and adjusting bolts are arranged in the threaded holes, so that the second measuring assembly can move on the ruler body; the first measuring component and the second measuring component are provided with mounting holes along the direction vertical to the length direction of the ruler body so as to mount the ball measuring head; the ball measuring head comprises ball heads, the ball heads are arranged on the outer sides of the first measuring component and the second measuring component, and the two ball heads of the first measuring component and the second measuring component are parallel to the axis of the ruler body and are on the same straight line; the digital display component is arranged on the second measuring component. The utility model discloses ball gauge head digital display measuring device has eliminated because the measuring error that the dislocation of ball gauge head caused, measures more accurately to simple structure, convenient to use.
Description
Technical Field
The utility model relates to a measuring tool field, specific is a ball gauge head digital display measuring device.
Background
In the machine manufacturing industry, the vernier caliper is one of the most common measuring tools, has a simple structure, is convenient to use, and can meet the measuring requirements of general precision. The device is used for measuring the relevant sizes of the inner and outer sizes, blind holes, stepped holes and the like of a workpiece. The traditional caliper mainly comprises a caliper body, a caliper frame and an internal measuring card and an external measuring card. The scale fixed on the ruler frame is a fractional part.
In the prior art, a vernier caliper includes a blade, a first measuring component and a second measuring component.
The lower parts of the first measuring component and the second measuring component are respectively and oppositely provided with an outer diameter measuring part.
The upper parts of the first measuring component and the second measuring component are respectively and oppositely provided with an inner diameter measuring part.
The research shows that the inner diameter value measured by the existing vernier caliper is not accurate enough.
SUMMERY OF THE UTILITY MODEL
The inventor researches to find that in order to enable the outer diameter measuring part to measure a large range (even if two outer diameter measuring parts are located on the same plane), the two inner diameter measuring parts are arranged in a staggered mode, namely, the two inner side measuring parts are not located on the same longitudinal plane, so that the measured value is smaller than the actual value.
In order to overcome the defect among the prior art, the utility model provides a ball gauge head digital display measuring device, it can eliminate because the measuring error that the gauge head dislocation caused, makes the measurement more accurate.
The utility model provides a ball gauge head digital display measuring device, include: the ruler body, the first measuring component, the second measuring component and the digital display component extend along a first direction;
the first measuring assembly and the second measuring assembly are arranged on the ruler body;
at least one of the first and second measuring assemblies is movable on the blade in the first direction;
the first measuring component and the second measuring component are respectively provided with a first ball measuring head and a second ball measuring head;
a straight line formed by the spherical center of the first ball measuring head and the spherical center of the second ball measuring head is parallel to the first direction;
the diameter of the first ball measuring head is the same as that of the second ball measuring head;
the digital display assembly is arranged on one of the first measuring assembly and the second measuring assembly which can move relative to the ruler body.
Preferably, the first measuring assembly is provided with a first mounting hole along a direction perpendicular to the first direction so as to mount the first ball measuring head; and the second measuring assembly is provided with a second mounting hole along the direction perpendicular to the first direction so as to mount the second ball measuring head.
Preferably, a first screw hole and a second screw hole are arranged in parallel on the first measuring assembly, and both the first screw hole and the second screw hole extend in parallel to the first direction and are communicated with the first mounting hole; the second is measured the subassembly and is gone up the parallel third screw hole and fourth screw hole that is equipped with, the third screw hole with fourth screw hole all follows and is on a parallel with first direction extend with the second mounting hole intercommunication.
Preferably, screws are arranged in the first screw hole and the second screw hole, so that the first ball measuring head can be fixed in the first mounting hole; and screws are arranged in the third screw hole and the fourth screw hole, so that the second ball measuring head can be fixed in the second mounting hole.
Preferably, the digital display assembly is provided with a data interface, and the data interface can be connected with different data transmission lines so as to output data to the transmitter or the data acquisition system.
Preferably, the digital display assembly is provided with a preset key so as to preset a numerical value.
Preferably, the digital measuring device for the ball measuring head can be used for measuring the inner diameter of a single hole and can also be used for measuring the distance between two holes.
The utility model discloses ball gauge head digital display measuring device simple structure, convenient to use. The utility model discloses ball gauge head digital display measuring device is equipped with different ball gauge heads, can change different ball gauge heads according to the use needs, and the diameter of different ball gauge heads is different to can be applicable to the measurement of different grade type sizes.
The utility model discloses ball gauge head digital display measuring device can be used to the measurement of single downthehole diameter, also can be used to the measurement of interval in two holes to have great measuring range, the practicality is high.
The utility model discloses the straight line that the centre of sphere of the first ball gauge head of ball gauge head digital display measuring device and the centre of sphere of second ball gauge head formed is on a parallel with first direction to can eliminate because the measuring error that the dislocation of ball gauge head caused, make to measure more accurately.
The utility model discloses first ball gauge head and second ball gauge head select for use spherical head, can with the fine laminating in hole surface that awaits measuring, reduce first ball gauge head and second ball gauge head and the clearance between the hole surface that awaits measuring to improve the measuring accuracy to round size.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the digital display measuring device for the ball measuring head of the utility model;
fig. 2 is a schematic structural diagram of the digital display measuring device for the ball measuring head of the present invention;
reference numerals of the above figures: 1-ruler body, 2-first measuring component, 3-second measuring component, 4-adjusting bolt, 5-digital display component, 6-first mounting hole, 7-first screw hole, 8-second screw hole, 9-first ball head, 10-first mounting rod, 11-second mounting hole, 12-third screw hole, 13-fourth screw hole, 14-second ball head and 15-second mounting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a ball gauge head digital display measuring device, include: a ruler body 1 extending along a first direction, a first measuring component 2, a second measuring component 3 and a digital display component 5.
The first measuring component 2 and the second measuring component 3 are both arranged on the ruler body 1.
The first measuring component 2 and the second measuring component 3 are symmetrically provided with threaded holes, and the threaded holes are internally provided with adjusting bolts 4.
The adjusting bolt 4 can tighten or loosen the first measuring assembly 2 and the blade 1, and the second measuring assembly 3 and the blade 1. Thereby enabling the first measuring component 2 and the second measuring component 3 to move on the blade 1 and enabling the first measuring component 2 and the second measuring component 3 to be fixed at any position on the blade 1. Thus, the first measuring unit 2 and the second measuring unit 3 can be used as a fixed measuring element and a mobile measuring element. The positions of the first measuring component 2 and the second measuring component 3 can be adjusted according to different use occasions, and the device is very convenient.
The digital display component 5 is arranged on the first measuring component 2 or the second measuring component 3. The digital display component 5 is provided with a data interface which can be connected with different data transmission lines so as to output data to the transmitter or the data acquisition system. When the display module 5 outputs data to the transmitter, the data acquisition system receives the measurement data through the receiver. The user can select different data transmission lines according to different use occasions. The digital display component 5 is provided with a preset key so as to preset a numerical value, and the size to be measured can be directly read out through the preset numerical value, so that the digital display component is very convenient.
The first measuring component 2 and the second measuring component 3 are respectively provided with a first ball measuring head and a second ball measuring head, and the diameter of the first ball measuring head is the same as that of the second ball measuring head.
The first measuring unit 2 is provided with a first mounting hole 6 in a direction perpendicular to the first direction for mounting a first ball probe. The second measuring unit 3 is provided with a second mounting hole 11 perpendicular to the first direction for mounting a second ball probe. A straight line formed by the spherical center of the first ball measuring head and the spherical center of the second ball measuring head is parallel to the first direction.
Be equipped with first screw hole 7 and second screw hole 8 on the first measuring subassembly 2, first screw hole 7 and 8 parallel arrangement of second screw hole, first screw hole 7 and second screw hole 8 all extend along being on a parallel with first direction and communicate with first mounting hole 6. All be equipped with the screw in first screw hole 7 and the second screw hole 8 to fix first ball gauge head.
Be equipped with third screw hole 12 and fourth screw hole 13 on the second measuring component 3, third screw hole 12 and fourth screw hole 13 parallel arrangement, third screw hole 12 and fourth screw hole 13 all extend along being on a parallel with the first direction and communicate with second mounting hole 11. All be equipped with the screw in third screw hole 12 and the fourth screw hole 13 to fix the second ball gauge head.
When the first ball probe is inserted into the first mounting hole 6 and the second ball probe is inserted into the second mounting hole 11, the screws are tightened respectively, thereby fixing the first ball probe in the first mounting hole 6 and the second ball probe in the second mounting hole 11. When first ball gauge head and second ball gauge head need be pulled down, unscrew the screw earlier, can take out first ball gauge head from first mounting hole 6 to and take out second ball gauge head from second mounting hole 11.
By unscrewing the screw, the first ball probe and the second ball probe can be moved in the first mounting hole 6 and the second mounting hole 11, respectively, to adjust the position. When the hole that needs to measure is darker, can outwards pull out the part in first mounting hole 6 and the second mounting hole 11 with first ball gauge head and second ball gauge head respectively, screw up the screw fixation again to first ball gauge head and second ball gauge head can stretch into the deep hole footpath and measure.
In actual measurement, the insertion depth of the first ball probe in the first mounting hole 6 and the insertion depth of the second ball probe in the second mounting hole 11 may be adjusted according to the depth of the measurement aperture. And after the adjustment, a straight line formed by the spherical center of the first ball measuring head and the spherical center of the second ball measuring head is always parallel to the first direction.
The first ball measuring head comprises a first mounting rod 10 and a first ball head 9, the first mounting rod 10 is connected with the first ball head 9, and the first ball measuring head is connected with the first mounting hole 6 through the first mounting rod 10 in an inserting mode, so that the first ball measuring head is mounted on the first measuring assembly 2.
The second ball measuring head comprises a second mounting rod 15 and a second ball head 14, the second mounting rod 15 is connected with the second ball head 14, and the second ball measuring head is connected with the second mounting hole 11 through the second mounting rod 15 in an inserting mode, so that the second ball measuring head is mounted on the second measuring assembly 3.
After the first ball measuring head and the second ball measuring head are installed, if the first ball measuring head and the second ball measuring head are dislocated, the measured value can be smaller than the actual value, and errors are caused. The utility model discloses the straight line that the centre of sphere of well first ball gauge head and the centre of sphere of second ball gauge head formed is on a parallel with first direction to can eliminate because the measuring error that the dislocation of ball gauge head caused, make to measure more accurately.
The utility model discloses first ball gauge head and second ball gauge head select for use spherical head, can with the fine laminating in hole surface that awaits measuring, reduce first ball gauge head and second ball gauge head and the clearance between the hole surface that awaits measuring to improve the measuring accuracy to round size.
The first ball probe and the second ball probe may be one of a type a ball probe and a type B ball probe. The first ball measuring head and the second ball measuring head must be selected to be the same in measurement. Namely, the first ball measuring head and the second ball measuring head both select an A-type ball measuring head or both select a B-type ball measuring head. When the device is used, the A-type ball measuring head or the B-type ball measuring head can be selected according to the size of the aperture to be measured, so that the device can be suitable for measuring different types of sizes.
The A-shaped ball measuring head consists of an A-shaped mounting rod, a connecting rod and an A-shaped ball head. The diameter of the A-shaped ball head is 1.5875 +/-0.05 mm, and ruby is selected as the material. The A-shaped ball head is small in diameter and convenient to insert into the micro-hole, so that the micro-hole can be accurately measured. The size of the A-shaped mounting rod needs to be matched with the first mounting hole 6 and the second mounting hole 11, but the diameter of the A-shaped ball head is small, and the A-shaped ball head is difficult to be directly connected with the A-shaped mounting rod, so that the A-shaped ball head is connected with a thin connecting rod, and the A-shaped ball head is connected with the A-shaped mounting rod through the connecting rod. The A-type ball measuring head is spliced with the first mounting hole 6 and the second mounting hole 11 through the A-type mounting rod, so that the A-type ball measuring head is mounted on the first measuring assembly 2 and the second measuring assembly 3.
The B-type ball measuring head consists of a B-type mounting rod and a B-type ball head. The diameter range of the B-shaped ball head is 3.175-12.7 +/-0.05 mm, the diameter range of the B-shaped ball head is large, and various sizes can be measured. The B-shaped ball head is made of stainless steel, and the stainless steel is durable and long in service life. The B-type mounting rod is connected with the B-type ball head, and the B-type ball measuring head is spliced with the first mounting hole 6 and the second mounting hole 11 through the B-type mounting rod, so that the B-type ball measuring head is mounted on the first measuring component 2 and the second measuring component 3.
In this embodiment, the measuring range of the digital measuring ball head measuring device is (12.7+ D) -300 mm, wherein D is the diameter of the first ball head 9 or the second ball head 14. This embodiment ball gauge head digital display measuring device can be used to the measurement of single hole internal diameter, also can be used to the measurement of interval in two holes to have great measuring range, the practicality is high.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (7)
1. The utility model provides a ball gauge head digital display measuring device which characterized in that includes: the ruler body, the first measuring component, the second measuring component and the digital display component extend along a first direction;
the first measuring assembly and the second measuring assembly are arranged on the ruler body;
at least one of the first and second measuring assemblies is movable on the blade in the first direction;
the first measuring component and the second measuring component are respectively provided with a first ball measuring head and a second ball measuring head;
a straight line formed by the spherical center of the first ball measuring head and the spherical center of the second ball measuring head is parallel to the first direction;
the diameter of the first ball measuring head is the same as that of the second ball measuring head;
the digital display assembly is arranged on one of the first measuring assembly and the second measuring assembly which can move relative to the ruler body.
2. The digital measuring head measuring device according to claim 1, wherein the first measuring assembly is provided with a first mounting hole along a direction perpendicular to the first direction for mounting the first ball measuring head; and the second measuring assembly is provided with a second mounting hole along the direction perpendicular to the first direction so as to mount the second ball measuring head.
3. The digital display measuring device for the ball measuring head according to claim 2, wherein a first screw hole and a second screw hole are arranged in parallel on the first measuring assembly, and both the first screw hole and the second screw hole extend in parallel to the first direction and are communicated with the first mounting hole; the second is measured the subassembly and is gone up the parallel third screw hole and fourth screw hole that is equipped with, the third screw hole with fourth screw hole all follows and is on a parallel with first direction extend with the second mounting hole intercommunication.
4. The digital display measuring device for the ball measuring head according to claim 3, wherein screws are arranged in the first screw hole and the second screw hole, so that the first ball measuring head can be fixed in the first mounting hole; and screws are arranged in the third screw hole and the fourth screw hole, so that the second ball measuring head can be fixed in the second mounting hole.
5. The digital display measuring device for the ball measuring head according to claim 1, wherein a data interface is arranged on the digital display assembly, and the data interface can be connected with different data transmission lines so as to output data to a transmitter or a data acquisition system.
6. The digital display measuring device for the ball measuring head according to claim 1, wherein a preset key is arranged on the digital display component, so that a numerical value can be preset.
7. The digital measuring head measuring device according to claim 1, wherein the digital measuring head measuring device can be used for measuring the inner diameter of a single hole and the distance between two holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038423.3U CN211346646U (en) | 2020-01-09 | 2020-01-09 | Digital display measuring device for ball measuring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020038423.3U CN211346646U (en) | 2020-01-09 | 2020-01-09 | Digital display measuring device for ball measuring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211346646U true CN211346646U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020038423.3U Active CN211346646U (en) | 2020-01-09 | 2020-01-09 | Digital display measuring device for ball measuring head |
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|---|---|
| CN (1) | CN211346646U (en) |
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2020
- 2020-01-09 CN CN202020038423.3U patent/CN211346646U/en active Active
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